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The arbitrarily varying wiretap channel - Secret randomness, stability and super-activation
KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
2015 (English)In: IEEE International Symposium on Information Theory - Proceedings, Institute of Electrical and Electronics Engineers (IEEE), 2015, 2151-2155 p.Conference paper (Refereed)
Abstract [en]

We study the arbitrarily varying wiretap channel (AVWC) under average error criterion when external common randomness (CR) can be used between the legitimate parties. We consider three scenarios: In the first one the CR is known to the eavesdropper, in the second it is not known to her and in the third there is no CR available. For the second scenario, we prove a complete coding theorem. For the third scenario it is known that the capacity function is discontinuous. We prove that it is nonetheless stable in the sense of being continuous around its positivity points. We characterize the points of discontinuity in terms of continuous functions. We then give a complete characterization of those pairs of AVWCs whose capacity can be super-activated in the unassisted third case - in terms of the capacity function describing the first case. © 2015 IEEE.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2015. 2151-2155 p.
Keyword [en]
Random processes, Average errors, Coding theorems, Common randomness, Continuous functions, Wire-tap channels, Information theory
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-196169DOI: 10.1109/ISIT.2015.7282836ISI: 000380904702041ScopusID: 2-s2.0-84969749555ISBN: 9781467377041 (print)OAI: oai:DiVA.org:kth-196169DiVA: diva2:1046801
Conference
IEEE International Symposium on Information Theory, ISIT 2015, 14 June 2015 through 19 June 2015
Note

Funding Details: BO 173420-1, DFG, Massachusetts Department of Fish and Game. QC 20161115

Available from: 2016-11-15 Created: 2016-11-14 Last updated: 2016-11-29Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
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  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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  • asciidoc
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